Question

1. Find 'z' if
8z=53^2 - 45^2
5​

Answer 1

8z=53^2-45^2

8z=(53+45)(53-45)

8z=(53+45)

8z=98

z=98/8=12.25

8z=(53-45)

8z=8

z=1

z=8 or 12.25

hope it helps u ✌️